Experiment: 9FS2

Mutant S1538A of the dihydroorotase domain of human CAD protein bound to substrate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4C6I

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7	291	100 mM HEPES pH 7, 2.5 M sodium formate, 2 mM carbamoyl aspartate

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.142	α = 90
b = 158.579	β = 90
c = 61.95	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS3 X 6M		2024-04-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALBA BEAMLINE XALOC	0.97926	ALBA	XALOC

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.12	47.22	98.8	0.998	6.26	2		152076			10.97

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.12	1.16			0.459	0.68

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.12	47.22	1.33	152046	7624	98.8	0.1479	0.1468	0.1513	0.1688	0.1733	16.65

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	7.2077
f_angle_d	1.3283
f_chiral_restr	0.0995
f_bond_d	0.0136
f_plane_restr	0.0131

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2753
Nucleic Acid Atoms
Solvent Atoms	504
Heterogen Atoms	60

Software

Software
Software Name	Purpose
EDNA	data collection
autoPROC	data processing
Aimless	data scaling
PHASER	phasing
REFMAC	refinement
PHENIX	refinement